Andy Gray in 1986/7
Yorke
Papiss Demba Cisse scored in his debut for Newcastle against Aston Villa. That precisely was his first match for Newcastle and after the 2012 African Cup of Nations.
Djibril Cisse scored on his debut for Liverpool (v Tottenham), Sunderland (also v Tottenham) and QPR (v Aston Villa) in the Premier League.
Torres made his competitive debut for Liverpool against Aston Villa in a 2-1 win on 11 August 2007
Willie O'Ree. He made his NHL debut with the Boston Bruins on January 18th, 1958,
When a player scores in his first appearance for a club (debut).
There are a few, but Jermaine Pennant is the only player to score a hat trick on his debut.
An MLB Debut is when a player makes his first appearance onto the field or at the plate
Jackie Robinson was the first black ballplayer in Major League Baseball, made his Major League debut with the Brooklyn Dodgers on April 15, 1947.
That was center fielder Sam Jethroe who made his debut with the Braves on April 18, 1950 at the age of 32.
1924
Rooney